so i'm anxious to hear what mr. brennan does for justification tomorrow. sam? >> let me add one point to that which is the other thing the administration has done is well, we've been talking about this process, attorney general eric holder has been talking about this process. john brennan has been talking about this process publicly. we have outlined it. and i think there is a role for congress to play. and i would add even for the american public to play to a certain extent in judging what kind of legal justifications the administration is using. i understand the administration doesn't want to set a bad precedent here, but these are weighty matters. >> colonel, what kind of intel are we getting on the ground? i mean we have to be sure that we're not killing innocent people here. >> well, i'm going to say having spent a lot of time in combat, i can tell you any time that we have any combat operation, you're going to have innocent people killed. there is always going to be collateral damage. and indeed in the second world war, we went out of our way to kill civi